Why did WW1 became a global war? (please answer in a 5-7 sentence paragraph)

The fact that the First World War was a global war was itself the product of a global order, shaped by the European great powers and held together by an embryonic economic system. ... Decisions made in the interest of individual nations also had an effect on the widening of the war from a regional dispute.

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the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.

the french revolution was when many people were persecuted for disagreeing or making separate government